package com.changgou.oauth.controller;

import com.changgou.entity.Result;
import com.changgou.entity.StatusCode;
import com.changgou.oauth.service.AuthService;
import com.changgou.oauth.util.AuthToken;
import com.changgou.oauth.util.CookieUtil;
import com.netflix.client.http.HttpResponse;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletResponse;

@Controller
@RequestMapping("/oauth")
@CrossOrigin
public class AuthController {
    @Autowired
    private AuthService authService;

    @Value("${auth.clientId}")
    private String clientId;

    @Value("${auth.clientSecret}")
    private String clientSecret;

    @Value("${auth.cookieDomain}")
    private String cookieDomain;

    @Value("${auth.cookieMaxAge}")
    private int cookieMaxAge;
    //登录
    @PostMapping("/login")
    @ResponseBody
    public Result login(String username, String password, HttpServletResponse response){
        if (StringUtils.isEmpty(username)) {
            throw new RuntimeException("用户名不存在");
        }
        if (StringUtils.isEmpty(password)) {
            throw new RuntimeException("密码不存在");
        }
        AuthToken authToken = authService.login(username, password, clientId, clientSecret);
        this.saveJtiToCookie(authToken.getJti(),response);
        return new Result(true, StatusCode.OK, "登录成功");
    }
    //存储jti到cookie中
    private void saveJtiToCookie(String jti,HttpServletResponse response) {
        CookieUtil.addCookie(response, cookieDomain, "/", "uid", jti, cookieMaxAge, false);
    }

    //访问登录页面
    @RequestMapping("/toLogin")
    public String toLogin(@RequestParam(name = "FROM",defaultValue = "",required = false)String from, Model model){
        model.addAttribute("from",from);
        return "login";
    }
}
